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Refactor the binding library even further to reduce code size and complexity.

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This commit is contained in:
Sandu Liviu Catalin
2018-07-30 21:44:04 +03:00
parent ecca09d6ce
commit 0deb209e7b
4 changed files with 298 additions and 454 deletions
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43
include/sqrat/sqratGlobalMethods.h
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@@ -46,18 +46,15 @@ namespace Sqrat {
//
template <class R> struct SqGlobalProxy {
template <class... A> static SQInteger Run(HSQUIRRELVM vm, SQInteger idx) {
ArgPop<A...> a(vm, idx);
if (SQ_FAILED(a.Proc(sq_gettop(vm) == idx - 1 + static_cast< SQInteger >(sizeof...(A))))) {
return a.ProcRes();
}
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
ArgFwd<A...> a{SQ_OK};
a.Call(vm, idx, [](HSQUIRRELVM vm, A... a) {
typedef R(*M)(A...);
M* method;
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&method), nullptr);
R ret = (*method)(a...);
PushVar(vm, ret);
});
return 1;
return SQ_FAILED(a.mRes) ? a.mRes : 1;
}
};
@@ -67,18 +64,15 @@ template <class R> struct SqGlobalProxy {
template <class R> struct SqGlobalProxy<R&> {
template <class... A> static SQInteger Run(HSQUIRRELVM vm, SQInteger idx) {
ArgPop<A...> a(vm, idx);
if (SQ_FAILED(a.Proc(sq_gettop(vm) == idx - 1 + static_cast< SQInteger >(sizeof...(A))))) {
return a.ProcRes();
}
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
ArgFwd<A...> a{SQ_OK};
a.Call(vm, idx, [](HSQUIRRELVM vm, A... a) {
typedef R&(*M)(A...);
M* method;
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&method), nullptr);
R& ret = (*method)(a...);
PushVarR(vm, ret);
});
return 1;
return SQ_FAILED(a.mRes) ? a.mRes : 1;
}
};
@@ -88,27 +82,24 @@ template <class R> struct SqGlobalProxy<R&> {
template <> struct SqGlobalProxy<void> {
template <class... A> static SQInteger Run(HSQUIRRELVM vm, SQInteger idx) {
ArgPop<A...> a(vm, idx);
if (SQ_FAILED(a.Proc(sq_gettop(vm) == idx - 1 + static_cast< SQInteger >(sizeof...(A))))) {
return a.ProcRes();
}
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
ArgFwd<A...> a{SQ_OK};
a.Call(vm, idx, [](HSQUIRRELVM vm, A... a) {
typedef void(*M)(A...);
M* method;
sq_getuserdata(vm, -1, reinterpret_cast<SQUserPointer*>(&method), nullptr);
(*method)(a...);
});
return 0;
return SQ_FAILED(a.mRes) ? a.mRes : 0;
}
};
template<bool> struct SqGlobalParamCheck {
static inline bool Invalid(SQInteger top, SQInteger count) {
static inline bool Invalid(SQInteger top, SQInteger count) noexcept {
return top != count;
}
};
template<> struct SqGlobalParamCheck<true> {
static inline bool Invalid(SQInteger top, SQInteger count) {
static inline bool Invalid(SQInteger top, SQInteger count) noexcept {
return top < (count - 1);
}
};
@@ -122,7 +113,7 @@ template <class R> struct SqGlobal {
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
#if !defined (SCRAT_NO_ERROR_CHECKING)
if (!SQRAT_CONST_CONDITION(overloaded) &&
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
SqGlobalParamCheck< ArgFwd<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
return sq_throwerror(vm, _SC("wrong number of parameters"));
}
#endif
@@ -130,6 +121,8 @@ template <class R> struct SqGlobal {
return SqGlobalProxy<R>::template Run<A...>(vm, startIdx);
} catch (const Exception& e) {
return sq_throwerror(vm, e.what());
} catch (...) {
return sq_throwerror(vm, _SC("unknown exception occured"));
}
SQ_UNREACHABLE
};
@@ -146,7 +139,7 @@ template <class R> struct SqGlobal<R&> {
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
#if !defined (SCRAT_NO_ERROR_CHECKING)
if (!SQRAT_CONST_CONDITION(overloaded) &&
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
SqGlobalParamCheck< ArgFwd<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
return sq_throwerror(vm, _SC("wrong number of parameters"));
}
#endif
@@ -154,6 +147,8 @@ template <class R> struct SqGlobal<R&> {
return SqGlobalProxy<R&>::template Run<A...>(vm, startIdx);
} catch (const Exception& e) {
return sq_throwerror(vm, e.what());
} catch (...) {
return sq_throwerror(vm, _SC("unknown exception occured"));
}
SQ_UNREACHABLE
};
@@ -170,7 +165,7 @@ template <> struct SqGlobal<void> {
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
#if !defined (SCRAT_NO_ERROR_CHECKING)
if (!SQRAT_CONST_CONDITION(overloaded) &&
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
SqGlobalParamCheck< ArgFwd<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
return sq_throwerror(vm, _SC("wrong number of parameters"));
}
#endif
@@ -178,6 +173,8 @@ template <> struct SqGlobal<void> {
return SqGlobalProxy<void>::Run<A...>(vm, startIdx);
} catch (const Exception& e) {
return sq_throwerror(vm, e.what());
} catch (...) {
return sq_throwerror(vm, _SC("unknown exception occured"));
}
SQ_UNREACHABLE
};